This is the deepest cave in the world, reaching 7,293 feet deep into the earth. It also has a chance of flooding, and the ...

In 2001 a team led by Ukrainian Yuri Kasjan set a world record in the cave of 1,710 meters (5,610 ... “The water was so cold I lost the feeling in my fingers,” he said later.

When Floyd Collins ventured into Sand Cave in Kentucky on Jan. 30, 1925, he was searching for the next big attraction. But he ...

A DANGEROUS ice cave in Argentina dubbed "the End of the World" for its closeness to the South Pole has collapsed four years after a tourist's horror death. The Jimbo Cave, located in Ushuaia’s ...

Larisa Pozdnyakova’s words, in her thick Russian accent, float to me from within the cave’s seemingly endless ... the clumsy rookie that I am. The cold blackness swallows the light of our ...

the sound can be heard anywhere from within the cave system, which covers about 64 acres (260,000 square meters). That makes it the largest musical instrument in the world. We’ll save the ...

Despite all those years of exploration, still each year, courageous cave explorers discover new tunnels and rooms underground and thereby stretch the known limits of the world's longest and ...

For just a few weeks a year, sunbeams shine two hundred metres down through a hole in the cave roof, illumining the underground world. Filming this natural lightshow successfully relied on it ...

Take an otherworldly journey through Hang Son Doong, the world's largest cave located in Vietnam. The cave is more than 500 feet tall, 650 feet wide, and 29,500 feet long. Video courtesy of Ryan ...